Very often a man is afraid of losing his common sense. He would rather be ordinary than become extraordinary. He is afraid of losing himself, but he does not know that losing himself means gaining himself. A person may say, "To think about these things is like moving in the air." But if we were not in the air what would become of us? Air is the substance on which we live, more important for us than the food we eat and the water we drink. Belief, therefore, is the food of the believer; it is the sustenance of his faith. It is on belief that he lives, not on food and water.